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Odoo 12 Development Essentials

You're reading from   Odoo 12 Development Essentials Fast-track your Odoo development skills to build powerful business applications

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Product type Paperback
Published in Dec 2018
Publisher Packt
ISBN-13 9781789532470
Length 404 pages
Edition 4th Edition
Languages
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Concepts
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Author (1):
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Daniel Reis Daniel Reis
Author Profile Icon Daniel Reis
Daniel Reis
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Toc

Table of Contents (17) Chapters Close

Preface 1. Quick Start Using the Developer Mode FREE CHAPTER 2. Preparing the Development Environment 3. Your First Odoo Application 4. Extending Modules 5. Import, Export, and Module Data 6. Models – Structuring the Application Data 7. Recordsets – Working with Model Data 8. Business Logic – Supporting Business Processes 9. External API – Integrating with Other Systems 10. Backend Views – Designing the User Interface 11. Kanban Views and Client-Side QWeb 12. Reports and Server-Side QWeb 13. Creating Website Frontend Features 14. Deploying and Maintaining Production Instances 15. Assessments 16. Other Books You May Enjoy

Understanding the external identifier concept


An external identifier, also called XML ID, is a human-readable string identifier that uniquely identifies a particular record in Odoo. They are important when loading data into Odoo, allowing us to modify an existing data record, or to reference it in other data records.

We will first introduce how external identifiers work and how we can inspect them.

Then, we will learn how to use the web client to find the external identifiers for particular data records, since this is frequently needed when creating add-on modules, thus extending existing features.

How external identifiers work

The actual database identifier for a record is an automatically assigned sequential number, and there is no way to know ahead of time what ID will be assigned to each record during module installation. External identifiers provide a way to reference a related record without the need to know the actual database ID assigned to it. The XML ID provides a convenient alias...

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